mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-03-21 20:52:45 +08:00
CHG: 'data zerograph' - array out-of-bounds fixed.
CHG: syntax sugar
This commit is contained in:
iceman1001
parent
3acac886bc
commit
c621ae0614
1 changed files with 92 additions and 99 deletions
191
client/cmddata.c
191
client/cmddata.c
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@ -243,19 +243,25 @@ int usage_data_bin2hex(void){
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PrintAndLog(" This function will ignore all characters not 1 or 0 (but stop reading on whitespace)");
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return 0;
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}
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int usage_data_buffclear(void){
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PrintAndLog("This function clears the bigbuff on deviceside");
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PrintAndLog("Usage: data buffclear [h]");
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PrintAndLog("Options:");
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PrintAndLog(" h This help");
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return 0;
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}
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//set the demod buffer with given array of binary (one bit per byte)
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//by marshmellow
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void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
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{
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if (buff == NULL)
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return;
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if (buff == NULL) return;
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if ( size >= MAX_DEMOD_BUF_LEN)
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if (size >= MAX_DEMOD_BUF_LEN)
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size = MAX_DEMOD_BUF_LEN;
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for (size_t i = 0; i < size; i++)
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DemodBuffer[i]=buff[startIdx++];
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DemodBuffer[i] = buff[startIdx++];
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DemodBufferLen = size;
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}
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@ -271,21 +277,19 @@ int CmdSetDebugMode(const char *Cmd) {
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void printDemodBuff(void)
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{
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int bitLen = DemodBufferLen;
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if (bitLen<1) {
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if (bitLen < 1) {
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PrintAndLog("no bits found in demod buffer");
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return;
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}
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if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty
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if (bitLen > 512) bitLen=512; //max output to 512 bits if we have more - should be plenty
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char *bin = sprint_bin_break(DemodBuffer, bitLen,16);
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PrintAndLog("%s",bin);
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return;
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}
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int CmdPrintDemodBuff(const char *Cmd)
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{
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char hex[512]={0x00};
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char hex[512] = {0x00};
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bool hexMode = false;
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bool errors = false;
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uint32_t offset = 0; //could be size_t but no param_get16...
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@ -343,15 +347,10 @@ int CmdPrintDemodBuff(const char *Cmd)
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//this function strictly converts >1 to 1 and <1 to 0 for each sample in the graphbuffer
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int CmdGetBitStream(const char *Cmd)
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{
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int i;
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CmdHpf(Cmd);
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for (i = 0; i < GraphTraceLen; i++) {
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if (GraphBuffer[i] >= 1) {
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GraphBuffer[i] = 1;
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} else {
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GraphBuffer[i] = 0;
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}
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}
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for (uint32_t i = 0; i < GraphTraceLen; i++)
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GraphBuffer[i] = (GraphBuffer[i] >= 1) ? 1 : 0;
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RepaintGraphWindow();
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return 0;
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}
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@ -457,12 +456,11 @@ int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )
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{
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size_t idx = 0;
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size_t size = DemodBufferLen;
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
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memcpy(BitStream, DemodBuffer, size);
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int ans = Em410xDecode(BitStream, &size, &idx, hi, lo);
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if ( ans < 0){
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if (g_debugMode){
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if (ans == -1)
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PrintAndLog("DEBUG: Error - Em410x not only 0|1 in decoded bitstream");
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else if (ans == -3)
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@ -517,13 +515,13 @@ int CmdAskEM410xDemod(const char *Cmd)
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//emSearch will auto search for EM410x format in bitstream
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//askType switches decode: ask/raw = 0, ask/manchester = 1
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int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType, bool *stCheck) {
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int invert=0;
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int clk=0;
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int maxErr=100;
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int maxLen=0;
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int invert = 0;
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int clk = 0;
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int maxErr = 100;
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int maxLen = 0;
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uint8_t askAmp = 0;
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char amp = param_getchar(Cmd, 0);
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
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sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &);
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if (!maxLen) maxLen = BIGBUF_SIZE;
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if (invert != 0 && invert != 1) {
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@ -561,18 +559,20 @@ int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType,
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//output
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setDemodBuf(BitStream,BitLen,0);
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if (verbose || g_debugMode){
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if (errCnt>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
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if (askType) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk);
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else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk);
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if (errCnt>0)
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PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
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if (askType)
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PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk);
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else
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PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk);
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// Now output the bitstream to the scrollback by line of 16 bits
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printDemodBuff();
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printDemodBuff();
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}
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uint64_t lo = 0;
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uint32_t hi = 0;
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if (emSearch){
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if (emSearch)
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AskEm410xDecode(true, &hi, &lo);
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}
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return 1;
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}
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int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) {
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@ -587,15 +587,14 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType) {
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int Cmdaskmandemod(const char *Cmd)
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{
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H')
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return usage_data_rawdemod_am();
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if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_am();
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bool st = TRUE;
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if (Cmd[0]=='s')
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return ASKDemod_ext(Cmd++, TRUE, TRUE, 1, &st);
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else if (Cmd[1] == 's')
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return ASKDemod_ext(Cmd+=2, TRUE, TRUE, 1, &st);
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else
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return ASKDemod(Cmd, TRUE, TRUE, 1);
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}
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@ -604,22 +603,24 @@ int Cmdaskmandemod(const char *Cmd)
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//stricktly take 10 and 01 and convert to 0 and 1
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int Cmdmandecoderaw(const char *Cmd)
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{
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int i =0;
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int errCnt=0;
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size_t size=0;
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int invert=0;
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int i = 0;
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int errCnt = 0;
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size_t size = 0;
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int invert = 0;
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int maxErr = 20;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H')
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return usage_data_manrawdecode();
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if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') return usage_data_manrawdecode();
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if (DemodBufferLen==0) return 0;
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
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int high=0,low=0;
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for (;i<DemodBufferLen;++i){
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if (DemodBuffer[i]>high) high=DemodBuffer[i];
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else if(DemodBuffer[i]<low) low=DemodBuffer[i];
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BitStream[i]=DemodBuffer[i];
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uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
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int high = 0, low = 0;
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for (; i < DemodBufferLen; ++i){
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if (DemodBuffer[i] > high)
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high=DemodBuffer[i];
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else if(DemodBuffer[i] < low)
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low=DemodBuffer[i];
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BitStream[i] = DemodBuffer[i];
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}
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if (high>7 || low <0 ){
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PrintAndLog("Error: please raw demod the wave first then manchester raw decode");
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@ -629,20 +630,19 @@ int Cmdmandecoderaw(const char *Cmd)
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sscanf(Cmd, "%i %i", &invert, &maxErr);
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size=i;
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errCnt=manrawdecode(BitStream, &size, invert);
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if (errCnt>=maxErr){
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if (errCnt >= maxErr){
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PrintAndLog("Too many errors: %d",errCnt);
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return 0;
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}
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PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt);
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PrintAndLog("%s", sprint_bin_break(BitStream, size, 16));
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if (errCnt==0){
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if (errCnt == 0){
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uint64_t id = 0;
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uint32_t hi = 0;
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size_t idx=0;
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if (Em410xDecode(BitStream, &size, &idx, &hi, &id)){
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//need to adjust to set bitstream back to manchester encoded data
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//setDemodBuf(BitStream, size, idx);
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printEM410x(hi, id);
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}
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}
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@ -660,8 +660,7 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
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size_t size=0;
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int offset=0, invert=0, maxErr=20, errCnt=0;
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H')
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return usage_data_biphaserawdecode();
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if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_data_biphaserawdecode();
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sscanf(Cmd, "%i %i %i", &offset, &invert, &maxErr);
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if (DemodBufferLen==0){
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@ -672,22 +671,23 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
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memcpy(BitStream, DemodBuffer, DemodBufferLen);
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size = DemodBufferLen;
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errCnt=BiphaseRawDecode(BitStream, &size, offset, invert);
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if (errCnt<0){
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if (errCnt < 0){
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PrintAndLog("Error during decode:%d", errCnt);
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return 0;
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}
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if (errCnt>maxErr){
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if (errCnt > maxErr){
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PrintAndLog("Too many errors attempting to decode: %d",errCnt);
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return 0;
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}
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if (errCnt>0){
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if (errCnt > 0)
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PrintAndLog("# Errors found during Demod (shown as 7 in bit stream): %d",errCnt);
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}
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PrintAndLog("Biphase Decoded using offset: %d - # invert:%d - data:",offset,invert);
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PrintAndLog("%s", sprint_bin_break(BitStream, size, 16));
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if (offset) setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod
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if (offset)
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setDemodBuf(DemodBuffer,DemodBufferLen-offset, offset); //remove first bit from raw demod
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return 1;
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}
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@ -734,8 +734,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
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int Cmdaskbiphdemod(const char *Cmd)
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{
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H')
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return usage_data_rawdemod_ab();
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if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_ab();
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return ASKbiphaseDemod(Cmd, TRUE);
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}
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@ -760,7 +759,7 @@ int CmdG_Prox_II_Demod(const char *Cmd)
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}
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//got a good demod of 96 bits
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uint8_t ByteStream[8] = {0x00};
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uint8_t xorKey=0;
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uint8_t xorKey = 0;
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size_t startIdx = ans + 6; //start after 6 bit preamble
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uint8_t bits_no_spacer[90];
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@ -769,9 +768,10 @@ int CmdG_Prox_II_Demod(const char *Cmd)
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// remove the 18 (90/5=18) parity bits (down to 72 bits (96-6-18=72))
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size_t bitLen = removeParity(bits_no_spacer, 0, 5, 3, 90); //source, startloc, paritylen, ptype, length_to_run
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if (bitLen != 72) {
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if (g_debugMode) PrintAndLog("DEBUG: Error - gProxII spacer removal did not produce 72 bits: %u, start: %u", bitLen, startIdx);
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return 0;
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}
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if (g_debugMode)
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PrintAndLog("DEBUG: Error - gProxII spacer removal did not produce 72 bits: %u, start: %u", bitLen, startIdx);
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return 0;
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}
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// get key and then get all 8 bytes of payload decoded
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xorKey = (uint8_t)bytebits_to_byteLSBF(bits_no_spacer, 8);
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for (size_t idx = 0; idx < 8; idx++) {
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@ -835,8 +835,7 @@ int CmdVikingDemod(const char *Cmd)
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int Cmdaskrawdemod(const char *Cmd)
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{
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H')
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return usage_data_rawdemod_ar();
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if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_ar();
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return ASKDemod(Cmd, TRUE, FALSE, 0);
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}
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@ -890,16 +889,15 @@ int CmdAutoCorr(const char *Cmd)
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char cmdp = param_getchar(Cmd, 0);
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if (cmdp == 'h' || cmdp == 'H') return usage_data_autocorr();
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int window = 4000; //set default
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char grph=0;
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char grph = 0;
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bool updateGrph = FALSE;
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sscanf(Cmd, "%i %c", &window, &grph);
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if (window >= GraphTraceLen) {
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PrintAndLog("window must be smaller than trace (%d samples)",
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GraphTraceLen);
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PrintAndLog("window must be smaller than trace (%d samples)", GraphTraceLen);
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return 0;
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}
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if (grph == 'g') updateGrph=TRUE;
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if (grph == 'g') updateGrph = TRUE;
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return AutoCorrelate(window, updateGrph, TRUE);
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}
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@ -913,11 +911,10 @@ int CmdBitsamples(const char *Cmd)
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for (int j = 0; j < sizeof(got); j++) {
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for (int k = 0; k < 8; k++) {
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if(got[j] & (1 << (7 - k))) {
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if(got[j] & (1 << (7 - k)))
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GraphBuffer[cnt++] = 1;
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} else {
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else
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GraphBuffer[cnt++] = 0;
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}
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}
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}
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GraphTraceLen = cnt;
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@ -927,6 +924,9 @@ int CmdBitsamples(const char *Cmd)
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int CmdBuffClear(const char *Cmd)
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{
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char cmdp = param_getchar(Cmd, 0);
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if (cmdp == 'h' || cmdp == 'H') return usage_data_buffclear();
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UsbCommand c = {CMD_BUFF_CLEAR, {0,0,0}};
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SendCommand(&c);
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ClearGraph(true);
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@ -953,14 +953,13 @@ int CmdDec(const char *Cmd)
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int CmdUndec(const char *Cmd)
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{
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char cmdp = param_getchar(Cmd, 0);
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if (cmdp == 'h' || cmdp == 'H')
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return usage_data_undecimate();
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if (cmdp == 'h' || cmdp == 'H') return usage_data_undecimate();
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uint8_t factor = param_get8ex(Cmd, 0, 2, 10);
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//We have memory, don't we?
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int swap[MAX_GRAPH_TRACE_LEN] = { 0 };
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uint32_t g_index = 0 ,s_index = 0;
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int swap[MAX_GRAPH_TRACE_LEN] = {0};
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uint32_t g_index = 0, s_index = 0;
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while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN)
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{
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int count = 0;
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@ -984,8 +983,12 @@ int CmdGraphShiftZero(const char *Cmd)
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//set options from parameters entered with the command
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sscanf(Cmd, "%i", &shift);
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for(int i = 0; i<GraphTraceLen; i++){
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shiftedVal=GraphBuffer[i]+shift;
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for(int i = 0; i < GraphTraceLen; i++){
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if ( i+shift >= GraphTraceLen)
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shiftedVal = GraphBuffer[i];
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else
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shiftedVal = GraphBuffer[i] + shift;
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if (shiftedVal > 127)
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shiftedVal = 127;
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else if (shiftedVal < -127)
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@ -1121,11 +1124,10 @@ int FSKrawDemod(const char *Cmd, bool verbose)
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// Now output the bitstream to the scrollback by line of 16 bits
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if (verbose || g_debugMode) {
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PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", (unsigned int)rfLen, (unsigned int)invert, (unsigned int)fchigh, (unsigned int)fclow);
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PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", rfLen, invert, fchigh, fclow);
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PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh, fclow, invert));
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printDemodBuff();
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}
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return 1;
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} else {
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if (g_debugMode) PrintAndLog("no FSK data found");
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@ -1140,8 +1142,7 @@ int FSKrawDemod(const char *Cmd, bool verbose)
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int CmdFSKrawdemod(const char *Cmd)
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{
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char cmdp = param_getchar(Cmd, 0);
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if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H')
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return usage_data_rawdemod_fs();
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if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_fs();
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return FSKrawDemod(Cmd, TRUE);
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}
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@ -1154,7 +1155,7 @@ int CmdFSKdemodHID(const char *Cmd)
|
|||
//raw fsk demod no manchester decoding no start bit finding just get binary from wave
|
||||
uint32_t hi2=0, hi=0, lo=0;
|
||||
|
||||
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
|
||||
uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
|
||||
size_t BitLen = getFromGraphBuf(BitStream);
|
||||
if (BitLen==0) return 0;
|
||||
//get binary from fsk wave
|
||||
|
|
@ -1180,8 +1181,7 @@ int CmdFSKdemodHID(const char *Cmd)
|
|||
return 0;
|
||||
}
|
||||
if (hi2 != 0){ //extra large HID tags
|
||||
PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
|
||||
(unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
|
||||
PrintAndLog("HID Prox TAG ID: %x%08x%08x (%u)", hi2, hi, lo, (lo>>1) & 0xFFFF);
|
||||
}
|
||||
else { //standard HID tags <38 bits
|
||||
uint8_t fmtLen = 0;
|
||||
|
|
@ -1220,9 +1220,7 @@ int CmdFSKdemodHID(const char *Cmd)
|
|||
fc = ((hi&0xF)<<12)|(lo>>20);
|
||||
}
|
||||
}
|
||||
PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
|
||||
(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
|
||||
(unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum);
|
||||
PrintAndLog("HID Prox TAG ID: %x%08x (%u) - Format Len: %ubit - FC: %u - Card: %u", hi, lo, (lo>>1) & 0xFFFF, fmtLen, fc, cardnum);
|
||||
}
|
||||
setDemodBuf(BitStream,BitLen,idx);
|
||||
if (g_debugMode){
|
||||
|
|
@ -1993,8 +1991,7 @@ int NRZrawDemod(const char *Cmd, bool verbose)
|
|||
int CmdNRZrawDemod(const char *Cmd)
|
||||
{
|
||||
char cmdp = param_getchar(Cmd, 0);
|
||||
if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H')
|
||||
return usage_data_rawdemod_nr();
|
||||
if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_nr();
|
||||
|
||||
return NRZrawDemod(Cmd, TRUE);
|
||||
}
|
||||
|
|
@ -2007,8 +2004,7 @@ int CmdPSK1rawDemod(const char *Cmd)
|
|||
{
|
||||
int ans;
|
||||
char cmdp = param_getchar(Cmd, 0);
|
||||
if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H')
|
||||
return usage_data_rawdemod_p1();
|
||||
if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p1();
|
||||
|
||||
ans = PSKDemod(Cmd, TRUE);
|
||||
//output
|
||||
|
|
@ -2028,8 +2024,7 @@ int CmdPSK2rawDemod(const char *Cmd)
|
|||
{
|
||||
int ans = 0;
|
||||
char cmdp = param_getchar(Cmd, 0);
|
||||
if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H')
|
||||
return usage_data_rawdemod_p2();
|
||||
if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p2();
|
||||
|
||||
ans = PSKDemod(Cmd, TRUE);
|
||||
if (!ans){
|
||||
|
|
@ -2374,16 +2369,15 @@ int CmdSave(const char *Cmd)
|
|||
if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
|
||||
memcpy(filename, Cmd, len);
|
||||
|
||||
|
||||
FILE *f = fopen(filename, "w");
|
||||
if(!f) {
|
||||
PrintAndLog("couldn't open '%s'", filename);
|
||||
return 0;
|
||||
}
|
||||
int i;
|
||||
for (i = 0; i < GraphTraceLen; i++) {
|
||||
|
||||
for (int i = 0; i < GraphTraceLen; i++)
|
||||
fprintf(f, "%d\n", GraphBuffer[i]);
|
||||
}
|
||||
|
||||
if (f) {
|
||||
fclose(f);
|
||||
f = NULL;
|
||||
|
|
@ -2536,7 +2530,6 @@ int Cmdhex2bin(const char *Cmd)
|
|||
}
|
||||
|
||||
int CmdDataIIR(const char *Cmd){
|
||||
|
||||
uint8_t k = param_get8(Cmd,0);
|
||||
//iceIIR_Butterworth(GraphBuffer, GraphTraceLen);
|
||||
iceSimple_Filter(GraphBuffer, GraphTraceLen, k);
|
||||
|
|
@ -2555,7 +2548,7 @@ static command_t CommandTable[] =
|
|||
{"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
|
||||
{"bin2hex", Cmdbin2hex, 1, "<digits> -- Converts binary to hexadecimal"},
|
||||
{"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"},
|
||||
{"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"},
|
||||
{"buffclear", CmdBuffClear, 1, "Clears bigbuff on deviceside. d graph window"},
|
||||
{"dec", CmdDec, 1, "Decimate samples"},
|
||||
{"detectclock", CmdDetectClockRate, 1, "[<a|f|n|p>] Detect ASK, FSK, NRZ, PSK clock rate of wave in GraphBuffer"},
|
||||
{"fdxbdemod", CmdFDXBdemodBI , 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"},
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue